Home / 465,554.36-642,446.94-284,569.32

Finding the Fourth Proportional to 465,554.36, 642,446.94 and 284,569.32

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Solution

The fourth proportional to 465,554.36, 642,446.94 and 284,569.32 is: 392,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,554.36 : 642,446.94 = 284,569.32 : x
  2. Step 2: Convert to fraction form
    465,554.36/642,446.94 = 284,569.32/x
  3. Step 3: Cross multiply
    465,554.36x = 642,446.94 × 284,569.32
  4. Step 4: Simplify right side
    465,554.36x = 182,820,688,851.88
  5. Step 5: Solve for x
    x = 182,820,688,851.88/465,554.36
  6. Step 6: Final answer
    x = 392,694.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.